Interstate 204-2550 63324131 ER25 1/16-5/8in 15pc Spring Collet Set
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This is a new Interstate Tools 15-piece ER25 spring collet set, part number 63324131, covering the fractional inch range from 1/16 in through 5/8 in in incremental steps, stored in a black-painted hardwood case with foam-lined lid and a metal clasp. ER25 collets conform to the DIN 6499 / ISO 15488 standard, featuring a 16° included taper angle and an outer body diameter of 34 mm, compatible with any ER25 collet chuck or toolholder regardless of spindle taper (R8, BT30, BT40, CAT40, HSK, etc.). Each collet provides approximately 1 mm of clamping range collapse and is manufactured from hardened alloy spring steel with a ground bore for concentricity; the set is made in China as labeled. Suitable for holding end mills, drills, reamers, and other round-shank tooling in CNC machining centers, manual knee mills, and router spindles equipped with ER25 toolholders.
Product Specifications
| Brand | Interstate |
| MPN | 63324131 |
| Collet Series | ER25 |
| Number of Pieces | 15 |
| Shank Size Range | 1/16 in – 5/8 in (fractional inch) |
| Collet Standard | DIN 6499 / ISO 15488 |
| Taper Angle (included) | 16° |
| Collet OD | 34 mm |
| Clamping Range per Collet | 1 mm collapse |
| Material | Hardened alloy spring steel |
| Case Type | Hardwood case w/ foam-lined lid & metal clasp |
| Country of Origin | China |
| Condition | New |